The Gatekeeper, or a project gating system
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Zuul 2728e5d4ad Merge "executor: harden add_host usage" 4 months ago
doc Add allowed-labels tenant setting 4 months ago
etc Fix indent error for layout.yaml-sample. 10 months ago
playbooks Do a proper wait for zuul at quickstart 5 months ago
releasenotes/notes executor: harden add_host usage 4 months ago
tests Merge "Display ref instead of NA for time triggered items" 4 months ago
tools encrypt_secret: support self-signed certificates via --insecure argument 5 months ago
web Display ref instead of NA for time triggered items 5 months ago
zuul Merge "Add allowed-labels tenant setting" 4 months ago
.coveragerc Revert "Revert "Switch to stestr"" 11 months ago
.gitignore Exclude .keep files from .gitignore 6 months ago
.gitreview Updated .gitreview location 6 years ago
.mailmap Fix pep8 E127 violations 6 years ago
.stestr.conf Revert "Revert "Switch to stestr"" 11 months ago
.zuul.yaml Use publish-zuul-python-branch-tarball job 5 months ago
COPYING Update README and add GPL license 1 year ago
LICENSE Initial commit. 7 years ago Revert "Revert "web: rewrite interface in react"" 6 months ago
README.rst Switch storyboard url to be by name 8 months ago
TESTING.rst Revert "Revert "web: rewrite interface in react"" 6 months ago
bindep.txt Add coreutils to bindep on platform apk 6 months ago
requirements.txt Uncap cherrypy 7 months ago
setup.cfg Add line to setup.cfg limiting to python >=3.5 6 months ago Partial sync with OpenStack requirements. 5 years ago
test-requirements.txt Merge "Use doc/requirements.txt" 5 months ago
tox.ini Add ignore_basepython_conflict option to tox.ini 5 months ago



Zuul is a project gating system.

The latest documentation for Zuul v3 is published at:

If you are looking for the Edge routing service named Zuul that is related to Netflix, it can be found here:

If you are looking for the Javascript testing tool named Zuul, it can be found here:

Getting Help

There are two Zuul-related mailing lists:


A low-traffic announcement-only list to which every Zuul operator or power-user should subscribe.


General discussion about Zuul, including questions about how to use it, and future development.

You will also find Zuul developers in the #zuul channel on Freenode IRC.


To browse the latest code, see: To clone the latest code, use git clone

Bugs are handled at:!/project/openstack-infra/zuul

Code reviews are handled by gerrit at

After creating a Gerrit account, use git review to submit patches. Example:

# Do your commits
$ git review
# Enter your username if prompted

Join #zuul on Freenode to discuss development or usage.


Zuul is free software. Most of Zuul is licensed under the Apache License, version 2.0. Some parts of Zuul are licensed under the General Public License, version 3.0. Please see the license headers at the tops of individual source files.

Python Version Support

Zuul v3 requires Python 3. It does not support Python 2.

As Ansible is used for the execution of jobs, it's important to note that while Ansible does support Python 3, not all of Ansible's modules do. Zuul currently sets ansible_python_interpreter to python2 so that remote content will be executed with Python 2.